| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 97 |
64.2%
|
| 2 | no | 49 |
32.5%
|
| 3 | (dk) | 2 |
1.3%
|
| 4 | (ref) | 3 |
2%
|
| Sysmiss | 849 |